package com.koala.binghe.chanter;

import java.util.ArrayList;
import java.util.Collections;

/**
 * 冰河博客学习
 *
 * @author yantingrui
 * @date 2022/3/8   10:37
 */
public class Start {

    static ThreadLocal<String> local = new ThreadLocal<String>();

    public static void main(String[] args) {
        ArrayList<Integer> integers = new ArrayList<>(Collections.singletonList(1));
        integers.add(34);
    }

    static String check(String name) {
        if (name.equals("ko")) ;
        return "ko";
    }
}
